Knowledge Mapping on Maize (Zea mays L) Production Technologies by The Farmers of Karimnagar District in Telangana State (N. V. Rao, P. Jain, M. J. M. Reddy, & N. K. Kumar , Trans.). (2017). Indian Journal of Extension Education, 53(4), 71-74. https://www.journals.acspublisher.com/index.php/ijee/article/view/5050